主动语态和被动语态课件.ppt

1、The Great Wall was built by Chinese people.,English,English is spoken by the most people in the world.,The light was invented by Thomas Edison .,The city is known for its mist .,英语动词有两种语态： 主动语态 (the Active Voice) 被动语态(the Passive Voice),What is it?,A. 主动语态表示主语是动作的执行者。,B. 被动语态表示主语是动作的承受者。,We planted

2、the tree.,The tree was planted by us.,一般现在时： am / is / are +done 一般过去时： was / were+ done 当句中含有情态动词时，句子结构为 can / must / +be done,The bike is made in our factory. 这自行车是我们厂生产的。,This book was written in 1969. 这本书是1969年写成的。,The baby must be looked after well. 这孩子必须被好好照顾。,主变被解题步骤:,1. 找宾语 -即动作的承受者,They mak

3、e shoes in that factory.,Shoes,2. 判断宾语的单复数 -即be动词的单复数.,are were,3. 判断动词的时态 -即be动词的时态.,4. 修改谓语的时态 -即原句动词改为过去分词,made,5. 修改原句的主语 -即by+ 主语.,by them.,The classroom_ by us yesterday. 昨天教室被我们打扫了。,was cleaned,We cleaned the classroom yesterday.昨天我们打扫了教室。,一般现在时的被动语态：,am/are/is + 过去分词,People play football all

4、 over the world. 2. Mr. Green teaches us this term.,Football all over the world .,We this term.,is played,by people,are taught (by Mr. Green),一般过去时的被动语态：,was/were + 过去分词,3. People built the Great Wall long ago. 4. Two years ago we used the machinesto make shoes for children.,The Great Wall long ago.

5、,Two years ago those machines shoes for children.,was built (by people),were used (by us) to make,情态动词的被动语态：,must/have to/can等 + be + 过去分词,5. You must throw the broken glass away at once. 6. We can finish our homework on time.,The broken glass at once.,Our homework _ on time.,must be thrown away (by

6、 you),can be finished (by us),1.People use knives for cutting things. Knives_ _ for cutting things. 2.The students clean the windows of their classroom twice a month. The windows of their classroom_ _ twice a month.,are used,are,cleaned,(变被动语态）,七嘴八舌,3.I found the ticket on the floor. The ticket _ _

7、on the floor. 4.I told her to return the book in time. She _ _ to return the book in time.,was found,was told,3. We found the ticket on the floor .,5. His doctor made him have only two meals a day. He _ _ _ _ only two meals a day. 6.Now people can use computers to help them. Now computers _ _ _ to h

8、elp them.,was made to have,can be,used,7.The teacher asked Tom to turn on the computer. Tom _ _ to turn on the computer. 8.In this factory women do most of the work. Most of the work _ _ by women in this factory.,was asked,is done,9.He can mend the bike in two days. The bike _ _ _ in two days. 10.Yo

9、u must take this medicine three times a day. This medicine _ _ _ three times a day.,can be mended,must be,taken,11.The students in this school study German. German _ _ by the students in this school.,is studied,一些特殊结构的被动结构: （1）感觉动词(hear, see等)改被动语态 （2）使役动词(let, make等)改被动语态,make, see, hear, watch 等，后

10、接 不带“to”不定式时，变被动 语态时要还原“to” 。如： I saw him leave the house. He was seen to leave the house.,思 考 2：,I usually hear her sing English songs in the morning. She is usually heard English songs in the morning.,to sing,He makes her horse work all day. Her horse is made all day. My father let me go out for a

11、 picnic. I out for a picnic.,to work,was let to go,口诀： 这些动词真奇怪，主动句中to 离开，被动句中to回 来。（hear, let，have, make, see, watch),中考被动语态考题 1.The river smells terrible. People must _ dirty thing into it.(南京市中考题） A. be stopped to throw B. be stopped from throwing C. stop to throw D. stop from throwing 2.This book

12、 _ often _from the library.(北京市中考题） A. arent take away B. taken away C. isnt taken away D. be taken away 3.He _ _(tell) to return his books to the library yesterday. (黄冈市中考题）,was told,4.People there planted many trees last year. Trees _ _ by people there last year. (青岛市中考题） 5. They grow vegetables o

13、n the farm. （上海市中考题） The vegetables _ _on the farm.,T,were planted,are grown,二、用所给词的正确形式填空 。 (cover, invent, answer, write, return, call) 1. All the questions_ correctly. 2. More than two thirds of the earth _ with water. 3. Our city Beijing. 4. All the magazines _ to the school library last week. 5

14、. This new machine _ by Mr. Black last year. 6. All the words on the back of the card.,is covered,were returned,was invented,was answered,is called,are written,5)Exercises: 选择填空: Windows_ of glass. be made B. is made C. are made D. been made 2. The house_ in 2004. is built B. is building C. was buil

15、t D. used 3. A coat can_ for keeping warm. be used B. is used C. been used D. used,C,C,A,4. Watches_ Shanghai last long. A. are made in B. is made C. are made from D. made 5. This desk is made _ wood. A. of B. from C. in D. by 6. The things on show were _ the old days. A. used B. used to C. used for

16、 D. used in 7. Silk _ in Hangzhou and Suzhou. A. is produced B. are produced C. produced D. is produces,A,A,D,A,用所给动词的正确形式填空：,1). The bike _(fix) up by Xiao Ming yesterday. 2). Sunglasses _ (use) for protecting peoples eyes. 3). A picture _(put) up on the blackboard. 4). French_ (speak) in France. 5). Teenagers should _(allow) to choose their own clothes.,was fixed,are used,is put,is spoken,be allowed,用适当的形式填空 1. History is _ by the people. ( make) 2. He is often _ to do the work by the teacher. (ask) 3. The b